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Interface wiring harness - VT & VX LS1
  • Interface wiring harness - VT & VX LS1

Interface wiring harness - VT & VX LS1

Part Number: MFK690G3T

Quick Overview

Interface LS1 wiring harness to suit:

  • VT Commodore - cable throttle body
  • VU Commodore (ute) - cable throttle body
  • VX Commodore - cable throttle body


This interface harness is suitable for any vehicle and is designed to be used with a VT, VU or VX Commodore LS1 V8 engine. This interface harness plugs directly into the three plugs (2 black / 1 grey) on the Commodore engine harness. It comes with all the required fuses and relays.

The harness comes with the battery terminal connections, the plug to go to the engine harness, the A/C compressor plug and an OBD plug.

The kit includes:

  • Wiring loom
  • Fuse / relay box and cover
  • Relays and fuses
  • Mounting hardware

No instructions are provided with this item - the factory workshop manual will be required to connect the following wires.

  • Ignition
  • Ground
  • Tachometer
  • Alternator charge light
  • Starter solenoid
  • Thermo fans (negative switching)
  • Fuel pump
  • Economy / Power switch (when using Holden automatic)
  • Reverse lights (when using Holden automatic) 

NOTE 1: You will need the original LS vehicle engine loom - our loom plugs into this

NOTE 2: Only suits engines fitted with 3 plug VT, VU or VX engine harness

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